diff --git a/src/Assembleur.cpp b/src/Assembleur.cpp
index 949f7ab..50bf1c5 100644
--- a/src/Assembleur.cpp
+++ b/src/Assembleur.cpp
@@ -78,16 +78,16 @@ std::uint32_t Assembleur::ParseOperationImmediate(
 }
 
 std::uint32_t Assembleur::ParseJump(Instruction a_Instruction, const std::string& a_Label) {
-	int jump = a_Instruction.m_Line - ParseLabel(a_Label);
+	std::int32_t jump = ParseLabel(a_Label) - a_Instruction.m_Line;
 	if (jump < 0)
-		jump = jump & 0x7FFFFFF | 0x4000000;
+		jump = std::abs(jump) & 0x7FFFFFF | 0x4000000;
 	return IToInt(a_Instruction) | jump;
 }
 
 std::uint32_t Assembleur::ParseJump(Instruction a_Instruction, std::uint8_t a_R1, std::uint8_t a_R2, const std::string& a_Label) {
-	int jump = a_Instruction.m_Line - ParseLabel(a_Label);
+	std::int32_t jump = ParseLabel(a_Label) - a_Instruction.m_Line;
 	if (jump < 0)
-		jump = jump & 0xFFFFF | 100000;
+		jump = std::abs(jump) & 0xFFFFF | 0x100000;
 	return IToInt(a_Instruction) | a_R1 << 24 | a_R2 << 21 | jump;
 }
 
diff --git a/src/IO.cpp b/src/IO.cpp
index 9aa9f9c..9619e53 100644
--- a/src/IO.cpp
+++ b/src/IO.cpp
@@ -6,22 +6,38 @@
 BinaryData ParseFile(const std::string& fileName) {
 	std::ifstream file{fileName};
 	std::uint32_t lineNumber = 0, realLineNumber = 0;
-	std::string line;
+	std::string currentLine;
+
+	std::vector<std::string> lines;
 
 	Assembleur assembleur;
 
 	BinaryData output;
 
-	while (getline(file, line)) {
+	// parsing labels
+	while (getline(file, currentLine)) {
+		lines.push_back(currentLine);
 		lineNumber++;
 		realLineNumber++;
 
-		if (line.find(":") != std::string::npos) {
-			std::string label = line.substr(0, line.size() - 1);
+		if (currentLine.find(":") != std::string::npos) {
+			std::string label = currentLine.substr(0, currentLine.size() - 1);
 			assembleur.AddLabel(label, lineNumber);
 			lineNumber--;
-		} else {
+		}
+	}
+
+	lineNumber = realLineNumber = 0;
+
+	// parsing instructions
+	for (std::string line : lines) {
+		lineNumber++;
+		realLineNumber++;
+
+		if (line.find(":") == std::string::npos) {
 			output.push_back(assembleur.ParseInstruction(line, lineNumber, realLineNumber));
+		} else {
+			lineNumber--;
 		}
 	}
 
diff --git a/test.asm b/test.asm
index 7fd01e8..9336eb9 100644
--- a/test.asm
+++ b/test.asm
@@ -10,11 +10,11 @@ io:
 	str R1 R2 R3
 	ld R1 R2 R3
 sauts:
-	jmp operations
+	jmp controle
 	jequ R1 R2 io
 	jneq R1 R2 sauts
 	jsup R1 R2 operations
-	jinf R1 R2 io
+	jinf R1 R2 controle
 controle:
 	call io
 	ret
\ No newline at end of file