diff --git a/binaries/aarch64/tpws b/binaries/aarch64/tpws
index 1f3d955..dafe9d3 100755
Binary files a/binaries/aarch64/tpws and b/binaries/aarch64/tpws differ
diff --git a/binaries/armhf/tpws b/binaries/armhf/tpws
index e2a51bb..a739b34 100755
Binary files a/binaries/armhf/tpws and b/binaries/armhf/tpws differ
diff --git a/binaries/mips32r1-lsb/tpws b/binaries/mips32r1-lsb/tpws
index 26458f4..0062381 100755
Binary files a/binaries/mips32r1-lsb/tpws and b/binaries/mips32r1-lsb/tpws differ
diff --git a/binaries/mips32r1-msb/tpws b/binaries/mips32r1-msb/tpws
index 55023c0..c309bb1 100755
Binary files a/binaries/mips32r1-msb/tpws and b/binaries/mips32r1-msb/tpws differ
diff --git a/binaries/mips64r2-msb/tpws b/binaries/mips64r2-msb/tpws
index 79daa95..c6eed5a 100755
Binary files a/binaries/mips64r2-msb/tpws and b/binaries/mips64r2-msb/tpws differ
diff --git a/binaries/ppc/tpws b/binaries/ppc/tpws
index 0ea5c18..2aa4c42 100755
Binary files a/binaries/ppc/tpws and b/binaries/ppc/tpws differ
diff --git a/binaries/x86/tpws b/binaries/x86/tpws
index bbe2efb..591224c 100755
Binary files a/binaries/x86/tpws and b/binaries/x86/tpws differ
diff --git a/binaries/x86_64/tpws b/binaries/x86_64/tpws
index 0217859..c4e3880 100755
Binary files a/binaries/x86_64/tpws and b/binaries/x86_64/tpws differ
diff --git a/tpws/gzip.c b/tpws/gzip.c
index e0f1d83..0f22c02 100644
--- a/tpws/gzip.c
+++ b/tpws/gzip.c
@@ -73,3 +73,9 @@ zerr:
  }
  return r;
 }
+
+bool is_gzip(FILE* F)
+{
+ unsigned char magic[2];
+ return !fseek(F,0,SEEK_SET) && fread(magic, 1, 2, F)==2 && magic[0]==0x1F && magic[1]==0x8B;
+}
diff --git a/tpws/gzip.h b/tpws/gzip.h
index 75c3d87..15e30d2 100644
--- a/tpws/gzip.h
+++ b/tpws/gzip.h
@@ -2,5 +2,7 @@
 
 #include <stdio.h>
 #include <zlib.h>
+#include <stdbool.h>
 
 int z_readfile(FILE *F,char **buf,size_t *size);
+bool is_gzip(FILE* F);
diff --git a/tpws/hostlist.c b/tpws/hostlist.c
index 553d7d2..dde04b4 100644
--- a/tpws/hostlist.c
+++ b/tpws/hostlist.c
@@ -28,6 +28,7 @@ bool LoadHostList(strpool **hostlist, char *filename)
 	size_t zsize;
 	int ct = 0;
 	FILE *F;
+	int r;
 	
 	if (*hostlist)
 	{
@@ -40,10 +41,10 @@ bool LoadHostList(strpool **hostlist, char *filename)
 		fprintf(stderr, "Could not open %s\n", filename);
 		return false;
 	}
-	if (z_readfile(F,&zbuf,&zsize)==Z_OK)
+	if ((r=z_readfile(F,&zbuf,&zsize))==Z_OK)
 	{
 	
-		printf("libz compression detected. uncompressed size : %zu\n", zsize);
+		printf("zlib compression detected. uncompressed size : %zu\n", zsize);
 		fclose(F);
 		
 		p = zbuf;
@@ -60,10 +61,22 @@ bool LoadHostList(strpool **hostlist, char *filename)
 		}
 		free(zbuf);
 	}
+	else if (r!=Z_DATA_ERROR)
+	{
+		fprintf(stderr, "zlib decompression failed : result %d\n",r);
+		return false;
+	}
 	else
 	{
+		if (is_gzip(F))
+		{
+			fprintf(stderr, "hostlist is gzip but is broken : %s\n",filename);
+			return false;
+		}
+		
 		fseek(F,0,SEEK_SET);
-
+		printf("loading plain text list\n",r);
+		
 		while (fgets(s, 256, F))
 		{
 			p = s;