diff --git a/lib/checkuninitvar.cpp b/lib/checkuninitvar.cpp
index 09caf41d0..ebdf008db 100644
--- a/lib/checkuninitvar.cpp
+++ b/lib/checkuninitvar.cpp
@@ -493,7 +493,7 @@ private:
                 for (it = checks.begin(); it != checks.end(); ++it) {
                     UninitVar *c = dynamic_cast<UninitVar *>(*it);
                     if (c && c->varId == tok.varId()) {
-                        if (c->var->isArray())
+                        if (c->var->isArray() || c->alloc)
                             bailOutVar(checks, tok.varId());
                         break;
                     }
diff --git a/test/testuninitvar.cpp b/test/testuninitvar.cpp
index 36552fc57..78aadc953 100644
--- a/test/testuninitvar.cpp
+++ b/test/testuninitvar.cpp
@@ -1437,6 +1437,15 @@ private:
                        "    uintptr_t y = x + 10;\n"  // <- not bad usage
                        "}");
         ASSERT_EQUALS("", errout.str());
+
+        checkUninitVar("void f() {\n"
+                       "  z_stream strm;\n"
+                       "  char* buf = malloc(10);\n"
+                       "  strm.next_out = buf;\n"
+                       "  deflate(&strm, Z_FINISH);\n"
+                       "  memcpy(body, buf, 10);\n"
+                       "}");
+        ASSERT_EQUALS("", errout.str());
     }
 
     // class / struct..