diff --git a/include/uniproc.h b/include/uniproc.h
index ab3a58e..eb30910 100644
--- a/include/uniproc.h
+++ b/include/uniproc.h
@@ -4,12 +4,12 @@
 #include <stdint.h>
 #include <Windows.h>
 typedef struct {
-	FILE* in = NULL;
-	FILE* out= NULL;
-	FILE* err= NULL;
+	FILE* in;
+	FILE* out;
+	FILE* err;
 
 	// OS-dependent handle to the process
-	uint32_t _proc_hdl = -1;
+	uint32_t _proc_hdl;
 	
 } uniproc_process;
 
diff --git a/src/uniproc_win64.c b/src/uniproc_win64.c
index 5eb5f68..767a82a 100644
--- a/src/uniproc_win64.c
+++ b/src/uniproc_win64.c
@@ -44,6 +44,7 @@ uniproc_process uniproc_create_process(const char* cmd, const size_t num_args, c
 	for (size_t i = 0; i < num_args; ++i)
 		cmd_len += strlen(argv[i]) + 1;
 	char* p_cmd = malloc((cmd_len+1) * sizeof(char));
+	p_cmd[x] = ' ';
 	memcpy(p_cmd, cmd, x * sizeof(char));
 	x += 1; // Account for space after cmd
 	for (size_t i = 0; i < num_args; ++i)
@@ -51,7 +52,7 @@ uniproc_process uniproc_create_process(const char* cmd, const size_t num_args, c
 		size_t arglen = strlen(argv[i]);
 		memcpy(p_cmd + x, argv[i], arglen);
 		p_cmd[x + arglen] = ' ';
-		x += arglen + 1
+		x += arglen + 1;
 	}
 	p_cmd[cmd_len] = '\0';