diff --git a/confluent_client/confluent_client.spec.tmpl b/confluent_client/confluent_client.spec.tmpl
index ee786175..ca2d0b92 100644
--- a/confluent_client/confluent_client.spec.tmpl
+++ b/confluent_client/confluent_client.spec.tmpl
@@ -1,7 +1,7 @@
 %define name confluent_client
 %define version #VERSION#
 %define fversion %{lua:
-sv, _ = string.gsub("#VERSION#", "[~+]", "-")
+sv, _ = string.gsub("#VERSION#", "[~]", "-")
 print(sv)
 }
 %define release 1
diff --git a/confluent_server/confluent_server.spec.tmpl b/confluent_server/confluent_server.spec.tmpl
index 1fb62d71..83f3452b 100644
--- a/confluent_server/confluent_server.spec.tmpl
+++ b/confluent_server/confluent_server.spec.tmpl
@@ -1,7 +1,7 @@
 %define name confluent_server
 %define version #VERSION#
 %define fversion %{lua:
-sv, _ = string.gsub("#VERSION#", "[~+]", "-")
+sv, _ = string.gsub("#VERSION#", "[~]", "-")
 print(sv)
 }
 %define release 1
diff --git a/confluent_server/makesetup b/confluent_server/makesetup
index a34438d3..33b08654 100755
--- a/confluent_server/makesetup
+++ b/confluent_server/makesetup
@@ -6,7 +6,7 @@ if [ "$NUMCOMMITS" != "$VERSION"  ]; then
     LASTNUM=$((LASTNUM+1))
     FIRSTPART=$(echo $VERSION|rev|cut -d . -f 2- |rev)
     VERSION=${FIRSTPART}.${LASTNUM}
-    VERSION=$VERSION~dev$NUMCOMMITS+`git describe|cut -d- -f 3`
+    VERSION=$VERSION.dev$NUMCOMMITS+`git describe|cut -d- -f 3`
 fi
 echo $VERSION > VERSION
 sed -e "s/#VERSION#/$VERSION/" setup.py.tmpl > setup.py